<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            width: 200px;
            height: 200px;
            background-color: pink;
            opacity: .5;
        }
        div li{
            list-style-type: none;
        }
    </style>
</head>
<body>
    <div>
        <ul>
            <li>itme1</li>
            <li>itme2</li>
            <li>itme3</li>
            <li>itme4</li>
        </ul>
    </div>
</body>
</html>